1 // SPDX-License-Identifier: GPL-2.0+
3 * (C) Copyright 2000-2009
4 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
14 #include <fdt_support.h>
21 #include <asm/cache.h>
22 #include <asm/global_data.h>
24 #include <linux/sizes.h>
25 #if defined(CONFIG_CMD_USB)
36 #ifndef CONFIG_SYS_BOOTM_LEN
37 /* use 8MByte as default max gunzip size */
38 #define CONFIG_SYS_BOOTM_LEN 0x800000
41 #define MAX_CMDLINE_SIZE SZ_4K
43 #define IH_INITRD_ARCH IH_ARCH_DEFAULT
47 DECLARE_GLOBAL_DATA_PTR;
49 bootm_headers_t images; /* pointers to os/initrd/fdt images */
51 static const void *boot_get_kernel(struct cmd_tbl *cmdtp, int flag, int argc,
52 char *const argv[], bootm_headers_t *images,
53 ulong *os_data, ulong *os_len);
55 __weak void board_quiesce_devices(void)
60 static void boot_start_lmb(bootm_headers_t *images)
65 mem_start = env_get_bootm_low();
66 mem_size = env_get_bootm_size();
68 lmb_init_and_reserve_range(&images->lmb, (phys_addr_t)mem_start,
72 #define lmb_reserve(lmb, base, size)
73 static inline void boot_start_lmb(bootm_headers_t *images) { }
76 static int bootm_start(struct cmd_tbl *cmdtp, int flag, int argc,
79 memset((void *)&images, 0, sizeof(images));
80 images.verify = env_get_yesno("verify");
82 boot_start_lmb(&images);
84 bootstage_mark_name(BOOTSTAGE_ID_BOOTM_START, "bootm_start");
85 images.state = BOOTM_STATE_START;
90 static ulong bootm_data_addr(int argc, char *const argv[])
95 addr = simple_strtoul(argv[0], NULL, 16);
97 addr = image_load_addr;
102 static int bootm_pre_load(struct cmd_tbl *cmdtp, int flag, int argc,
105 ulong data_addr = bootm_data_addr(argc, argv);
108 if (CONFIG_IS_ENABLED(CMD_BOOTM_PRE_LOAD))
109 ret = image_pre_load(data_addr);
112 ret = CMD_RET_FAILURE;
117 static int bootm_find_os(struct cmd_tbl *cmdtp, int flag, int argc,
121 bool ep_found = false;
124 /* get kernel image header, start address and length */
125 os_hdr = boot_get_kernel(cmdtp, flag, argc, argv,
126 &images, &images.os.image_start, &images.os.image_len);
127 if (images.os.image_len == 0) {
128 puts("ERROR: can't get kernel image!\n");
132 /* get image parameters */
133 switch (genimg_get_format(os_hdr)) {
134 #if CONFIG_IS_ENABLED(LEGACY_IMAGE_FORMAT)
135 case IMAGE_FORMAT_LEGACY:
136 images.os.type = image_get_type(os_hdr);
137 images.os.comp = image_get_comp(os_hdr);
138 images.os.os = image_get_os(os_hdr);
140 images.os.end = image_get_image_end(os_hdr);
141 images.os.load = image_get_load(os_hdr);
142 images.os.arch = image_get_arch(os_hdr);
145 #if CONFIG_IS_ENABLED(FIT)
146 case IMAGE_FORMAT_FIT:
147 if (fit_image_get_type(images.fit_hdr_os,
148 images.fit_noffset_os,
150 puts("Can't get image type!\n");
151 bootstage_error(BOOTSTAGE_ID_FIT_TYPE);
155 if (fit_image_get_comp(images.fit_hdr_os,
156 images.fit_noffset_os,
158 puts("Can't get image compression!\n");
159 bootstage_error(BOOTSTAGE_ID_FIT_COMPRESSION);
163 if (fit_image_get_os(images.fit_hdr_os, images.fit_noffset_os,
165 puts("Can't get image OS!\n");
166 bootstage_error(BOOTSTAGE_ID_FIT_OS);
170 if (fit_image_get_arch(images.fit_hdr_os,
171 images.fit_noffset_os,
173 puts("Can't get image ARCH!\n");
177 images.os.end = fit_get_end(images.fit_hdr_os);
179 if (fit_image_get_load(images.fit_hdr_os, images.fit_noffset_os,
181 puts("Can't get image load address!\n");
182 bootstage_error(BOOTSTAGE_ID_FIT_LOADADDR);
187 #ifdef CONFIG_ANDROID_BOOT_IMAGE
188 case IMAGE_FORMAT_ANDROID:
189 images.os.type = IH_TYPE_KERNEL;
190 images.os.comp = android_image_get_kcomp(os_hdr);
191 images.os.os = IH_OS_LINUX;
193 images.os.end = android_image_get_end(os_hdr);
194 images.os.load = android_image_get_kload(os_hdr);
195 images.ep = images.os.load;
200 puts("ERROR: unknown image format type!\n");
204 /* If we have a valid setup.bin, we will use that for entry (x86) */
205 if (images.os.arch == IH_ARCH_I386 ||
206 images.os.arch == IH_ARCH_X86_64) {
209 ret = boot_get_setup(&images, IH_ARCH_I386, &images.ep, &len);
210 if (ret < 0 && ret != -ENOENT) {
211 puts("Could not find a valid setup.bin for x86\n");
214 /* Kernel entry point is the setup.bin */
215 } else if (images.legacy_hdr_valid) {
216 images.ep = image_get_ep(&images.legacy_hdr_os_copy);
217 #if CONFIG_IS_ENABLED(FIT)
218 } else if (images.fit_uname_os) {
221 ret = fit_image_get_entry(images.fit_hdr_os,
222 images.fit_noffset_os, &images.ep);
224 puts("Can't get entry point property!\n");
228 } else if (!ep_found) {
229 puts("Could not find kernel entry point!\n");
233 if (images.os.type == IH_TYPE_KERNEL_NOLOAD) {
234 if (CONFIG_IS_ENABLED(CMD_BOOTI) &&
235 images.os.arch == IH_ARCH_ARM64) {
239 ret = booti_setup(images.os.image_start, &image_addr,
244 images.os.type = IH_TYPE_KERNEL;
245 images.os.load = image_addr;
246 images.ep = image_addr;
248 images.os.load = images.os.image_start;
249 images.ep += images.os.image_start;
253 images.os.start = map_to_sysmem(os_hdr);
259 * bootm_find_images - wrapper to find and locate various images
260 * @flag: Ignored Argument
261 * @argc: command argument count
262 * @argv: command argument list
263 * @start: OS image start address
264 * @size: OS image size
266 * boot_find_images() will attempt to load an available ramdisk,
267 * flattened device tree, as well as specifically marked
268 * "loadable" images (loadables are FIT only)
270 * Note: bootm_find_images will skip an image if it is not found
273 * 0, if all existing images were loaded correctly
274 * 1, if an image is found but corrupted, or invalid
276 int bootm_find_images(int flag, int argc, char *const argv[], ulong start,
282 ret = boot_get_ramdisk(argc, argv, &images, IH_INITRD_ARCH,
283 &images.rd_start, &images.rd_end);
285 puts("Ramdisk image is corrupt or invalid\n");
289 /* check if ramdisk overlaps OS image */
290 if (images.rd_start && (((ulong)images.rd_start >= start &&
291 (ulong)images.rd_start < start + size) ||
292 ((ulong)images.rd_end > start &&
293 (ulong)images.rd_end <= start + size) ||
294 ((ulong)images.rd_start < start &&
295 (ulong)images.rd_end >= start + size))) {
296 printf("ERROR: RD image overlaps OS image (OS=0x%lx..0x%lx)\n",
297 start, start + size);
301 #if CONFIG_IS_ENABLED(OF_LIBFDT)
302 /* find flattened device tree */
303 ret = boot_get_fdt(flag, argc, argv, IH_ARCH_DEFAULT, &images,
304 &images.ft_addr, &images.ft_len);
306 puts("Could not find a valid device tree\n");
310 /* check if FDT overlaps OS image */
311 if (images.ft_addr &&
312 (((ulong)images.ft_addr >= start &&
313 (ulong)images.ft_addr <= start + size) ||
314 ((ulong)images.ft_addr + images.ft_len >= start &&
315 (ulong)images.ft_addr + images.ft_len <= start + size))) {
316 printf("ERROR: FDT image overlaps OS image (OS=0x%lx..0x%lx)\n",
317 start, start + size);
321 if (CONFIG_IS_ENABLED(CMD_FDT))
322 set_working_fdt_addr(map_to_sysmem(images.ft_addr));
325 #if CONFIG_IS_ENABLED(FIT)
326 if (IS_ENABLED(CONFIG_FPGA)) {
327 /* find bitstreams */
328 ret = boot_get_fpga(argc, argv, &images, IH_ARCH_DEFAULT,
331 printf("FPGA image is corrupted or invalid\n");
336 /* find all of the loadables */
337 ret = boot_get_loadable(argc, argv, &images, IH_ARCH_DEFAULT,
340 printf("Loadable(s) is corrupt or invalid\n");
348 static int bootm_find_other(struct cmd_tbl *cmdtp, int flag, int argc,
351 if (((images.os.type == IH_TYPE_KERNEL) ||
352 (images.os.type == IH_TYPE_KERNEL_NOLOAD) ||
353 (images.os.type == IH_TYPE_MULTI)) &&
354 (images.os.os == IH_OS_LINUX ||
355 images.os.os == IH_OS_VXWORKS))
356 return bootm_find_images(flag, argc, argv, 0, 0);
360 #endif /* USE_HOSTC */
362 #if !defined(USE_HOSTCC) || defined(CONFIG_FIT_SIGNATURE)
364 * handle_decomp_error() - display a decompression error
366 * This function tries to produce a useful message. In the case where the
367 * uncompressed size is the same as the available space, we can assume that
368 * the image is too large for the buffer.
370 * @comp_type: Compression type being used (IH_COMP_...)
371 * @uncomp_size: Number of bytes uncompressed
372 * @ret: errno error code received from compression library
373 * Return: Appropriate BOOTM_ERR_ error code
375 static int handle_decomp_error(int comp_type, size_t uncomp_size, int ret)
377 const char *name = genimg_get_comp_name(comp_type);
379 /* ENOSYS means unimplemented compression type, don't reset. */
381 return BOOTM_ERR_UNIMPLEMENTED;
383 if (uncomp_size >= CONFIG_SYS_BOOTM_LEN)
384 printf("Image too large: increase CONFIG_SYS_BOOTM_LEN\n");
386 printf("%s: uncompress error %d\n", name, ret);
389 * The decompression routines are now safe, so will not write beyond
390 * their bounds. Probably it is not necessary to reset, but maintain
391 * the current behaviour for now.
393 printf("Must RESET board to recover\n");
395 bootstage_error(BOOTSTAGE_ID_DECOMP_IMAGE);
398 return BOOTM_ERR_RESET;
403 static int bootm_load_os(bootm_headers_t *images, int boot_progress)
405 image_info_t os = images->os;
406 ulong load = os.load;
408 ulong blob_start = os.start;
409 ulong blob_end = os.end;
410 ulong image_start = os.image_start;
411 ulong image_len = os.image_len;
412 ulong flush_start = ALIGN_DOWN(load, ARCH_DMA_MINALIGN);
414 void *load_buf, *image_buf;
417 load_buf = map_sysmem(load, 0);
418 image_buf = map_sysmem(os.image_start, image_len);
419 err = image_decomp(os.comp, load, os.image_start, os.type,
420 load_buf, image_buf, image_len,
421 CONFIG_SYS_BOOTM_LEN, &load_end);
423 err = handle_decomp_error(os.comp, load_end - load, err);
424 bootstage_error(BOOTSTAGE_ID_DECOMP_IMAGE);
427 /* We need the decompressed image size in the next steps */
428 images->os.image_len = load_end - load;
430 flush_cache(flush_start, ALIGN(load_end, ARCH_DMA_MINALIGN) - flush_start);
432 debug(" kernel loaded at 0x%08lx, end = 0x%08lx\n", load, load_end);
433 bootstage_mark(BOOTSTAGE_ID_KERNEL_LOADED);
435 no_overlap = (os.comp == IH_COMP_NONE && load == image_start);
437 if (!no_overlap && load < blob_end && load_end > blob_start) {
438 debug("images.os.start = 0x%lX, images.os.end = 0x%lx\n",
439 blob_start, blob_end);
440 debug("images.os.load = 0x%lx, load_end = 0x%lx\n", load,
443 /* Check what type of image this is. */
444 if (images->legacy_hdr_valid) {
445 if (image_get_type(&images->legacy_hdr_os_copy)
447 puts("WARNING: legacy format multi component image overwritten\n");
448 return BOOTM_ERR_OVERLAP;
450 puts("ERROR: new format image overwritten - must RESET the board to recover\n");
451 bootstage_error(BOOTSTAGE_ID_OVERWRITTEN);
452 return BOOTM_ERR_RESET;
456 lmb_reserve(&images->lmb, images->os.load, (load_end -
462 * bootm_disable_interrupts() - Disable interrupts in preparation for load/boot
464 * Return: interrupt flag (0 if interrupts were disabled, non-zero if they were
467 ulong bootm_disable_interrupts(void)
472 * We have reached the point of no return: we are going to
473 * overwrite all exception vector code, so we cannot easily
474 * recover from any failures any more...
476 iflag = disable_interrupts();
477 #ifdef CONFIG_NETCONSOLE
478 /* Stop the ethernet stack if NetConsole could have left it up */
480 # ifndef CONFIG_DM_ETH
481 eth_unregister(eth_get_dev());
485 #if defined(CONFIG_CMD_USB)
487 * turn off USB to prevent the host controller from writing to the
488 * SDRAM while Linux is booting. This could happen (at least for OHCI
489 * controller), because the HCCA (Host Controller Communication Area)
490 * lies within the SDRAM and the host controller writes continously to
491 * this area (as busmaster!). The HccaFrameNumber is for example
492 * updated every 1 ms within the HCCA structure in SDRAM! For more
493 * details see the OpenHCI specification.
500 #define CONSOLE_ARG "console="
501 #define NULL_CONSOLE (CONSOLE_ARG "ttynull")
502 #define CONSOLE_ARG_SIZE sizeof(NULL_CONSOLE)
505 * fixup_silent_linux() - Handle silencing the linux boot if required
507 * This uses the silent_linux envvar to control whether to add/set a "console="
508 * parameter to the command line
510 * @buf: Buffer containing the string to process
511 * @maxlen: Maximum length of buffer
512 * Return: 0 if OK, -ENOSPC if @maxlen is too small
514 static int fixup_silent_linux(char *buf, int maxlen)
521 * Move the input string to the end of buffer. The output string will be
522 * built up at the start.
524 size = strlen(buf) + 1;
525 if (size * 2 > maxlen)
527 cmdline = buf + maxlen - size;
528 memmove(cmdline, buf, size);
530 * Only fix cmdline when requested. The environment variable can be:
532 * no - we never fixup
533 * yes - we always fixup
534 * unset - we rely on the console silent flag
536 want_silent = env_get_yesno("silent_linux");
537 if (want_silent == 0)
539 else if (want_silent == -1 && !(gd->flags & GD_FLG_SILENT))
542 debug("before silent fix-up: %s\n", cmdline);
544 char *start = strstr(cmdline, CONSOLE_ARG);
546 /* Check space for maximum possible new command line */
547 if (size + CONSOLE_ARG_SIZE > maxlen)
551 char *end = strchr(start, ' ');
554 start_bytes = start - cmdline;
555 strncpy(buf, cmdline, start_bytes);
556 strncpy(buf + start_bytes, NULL_CONSOLE, CONSOLE_ARG_SIZE);
558 strcpy(buf + start_bytes + CONSOLE_ARG_SIZE - 1, end);
560 buf[start_bytes + CONSOLE_ARG_SIZE] = '\0';
562 sprintf(buf, "%s %s", cmdline, NULL_CONSOLE);
564 if (buf + strlen(buf) >= cmdline)
567 if (maxlen < CONSOLE_ARG_SIZE)
569 strcpy(buf, NULL_CONSOLE);
571 debug("after silent fix-up: %s\n", buf);
577 * process_subst() - Handle substitution of ${...} fields in the environment
579 * Handle variable substitution in the provided buffer
581 * @buf: Buffer containing the string to process
582 * @maxlen: Maximum length of buffer
583 * Return: 0 if OK, -ENOSPC if @maxlen is too small
585 static int process_subst(char *buf, int maxlen)
591 /* Move to end of buffer */
592 size = strlen(buf) + 1;
593 cmdline = buf + maxlen - size;
594 if (buf + size > cmdline)
596 memmove(cmdline, buf, size);
598 ret = cli_simple_process_macros(cmdline, buf, cmdline - buf);
603 int bootm_process_cmdline(char *buf, int maxlen, int flags)
607 /* Check config first to enable compiler to eliminate code */
608 if (IS_ENABLED(CONFIG_SILENT_CONSOLE) &&
609 !IS_ENABLED(CONFIG_SILENT_U_BOOT_ONLY) &&
610 (flags & BOOTM_CL_SILENT)) {
611 ret = fixup_silent_linux(buf, maxlen);
613 return log_msg_ret("silent", ret);
615 if (IS_ENABLED(CONFIG_BOOTARGS_SUBST) && IS_ENABLED(CONFIG_CMDLINE) &&
616 (flags & BOOTM_CL_SUBST)) {
617 ret = process_subst(buf, maxlen);
619 return log_msg_ret("subst", ret);
625 int bootm_process_cmdline_env(int flags)
627 const int maxlen = MAX_CMDLINE_SIZE;
633 /* First check if any action is needed */
634 do_silent = IS_ENABLED(CONFIG_SILENT_CONSOLE) &&
635 !IS_ENABLED(CONFIG_SILENT_U_BOOT_ONLY) && (flags & BOOTM_CL_SILENT);
636 if (!do_silent && !IS_ENABLED(CONFIG_BOOTARGS_SUBST))
639 env = env_get("bootargs");
640 if (env && strlen(env) >= maxlen)
642 buf = malloc(maxlen);
649 ret = bootm_process_cmdline(buf, maxlen, flags);
651 ret = env_set("bootargs", buf);
654 * If buf is "" and bootargs does not exist, this will produce
655 * an error trying to delete bootargs. Ignore it
662 return log_msg_ret("env", ret);
668 * Execute selected states of the bootm command.
670 * Note the arguments to this state must be the first argument, Any 'bootm'
671 * or sub-command arguments must have already been taken.
673 * Note that if states contains more than one flag it MUST contain
674 * BOOTM_STATE_START, since this handles and consumes the command line args.
676 * Also note that aside from boot_os_fn functions and bootm_load_os no other
677 * functions we store the return value of in 'ret' may use a negative return
678 * value, without special handling.
680 * @param cmdtp Pointer to bootm command table entry
681 * @param flag Command flags (CMD_FLAG_...)
682 * @param argc Number of subcommand arguments (0 = no arguments)
683 * @param argv Arguments
684 * @param states Mask containing states to run (BOOTM_STATE_...)
685 * @param images Image header information
686 * @param boot_progress 1 to show boot progress, 0 to not do this
687 * Return: 0 if ok, something else on error. Some errors will cause this
688 * function to perform a reboot! If states contains BOOTM_STATE_OS_GO
689 * then the intent is to boot an OS, so this function will not return
690 * unless the image type is standalone.
692 int do_bootm_states(struct cmd_tbl *cmdtp, int flag, int argc,
693 char *const argv[], int states, bootm_headers_t *images,
698 int ret = 0, need_boot_fn;
700 images->state |= states;
703 * Work through the states and see how far we get. We stop on
706 if (states & BOOTM_STATE_START)
707 ret = bootm_start(cmdtp, flag, argc, argv);
709 if (!ret && (states & BOOTM_STATE_PRE_LOAD))
710 ret = bootm_pre_load(cmdtp, flag, argc, argv);
712 if (!ret && (states & BOOTM_STATE_FINDOS))
713 ret = bootm_find_os(cmdtp, flag, argc, argv);
715 if (!ret && (states & BOOTM_STATE_FINDOTHER))
716 ret = bootm_find_other(cmdtp, flag, argc, argv);
719 if (!ret && (states & BOOTM_STATE_LOADOS)) {
720 iflag = bootm_disable_interrupts();
721 ret = bootm_load_os(images, 0);
722 if (ret && ret != BOOTM_ERR_OVERLAP)
724 else if (ret == BOOTM_ERR_OVERLAP)
728 /* Relocate the ramdisk */
729 #ifdef CONFIG_SYS_BOOT_RAMDISK_HIGH
730 if (!ret && (states & BOOTM_STATE_RAMDISK)) {
731 ulong rd_len = images->rd_end - images->rd_start;
733 ret = boot_ramdisk_high(&images->lmb, images->rd_start,
734 rd_len, &images->initrd_start, &images->initrd_end);
736 env_set_hex("initrd_start", images->initrd_start);
737 env_set_hex("initrd_end", images->initrd_end);
741 #if CONFIG_IS_ENABLED(OF_LIBFDT) && defined(CONFIG_LMB)
742 if (!ret && (states & BOOTM_STATE_FDT)) {
743 boot_fdt_add_mem_rsv_regions(&images->lmb, images->ft_addr);
744 ret = boot_relocate_fdt(&images->lmb, &images->ft_addr,
749 /* From now on, we need the OS boot function */
752 boot_fn = bootm_os_get_boot_func(images->os.os);
753 need_boot_fn = states & (BOOTM_STATE_OS_CMDLINE |
754 BOOTM_STATE_OS_BD_T | BOOTM_STATE_OS_PREP |
755 BOOTM_STATE_OS_FAKE_GO | BOOTM_STATE_OS_GO);
756 if (boot_fn == NULL && need_boot_fn) {
759 printf("ERROR: booting os '%s' (%d) is not supported\n",
760 genimg_get_os_name(images->os.os), images->os.os);
761 bootstage_error(BOOTSTAGE_ID_CHECK_BOOT_OS);
766 /* Call various other states that are not generally used */
767 if (!ret && (states & BOOTM_STATE_OS_CMDLINE))
768 ret = boot_fn(BOOTM_STATE_OS_CMDLINE, argc, argv, images);
769 if (!ret && (states & BOOTM_STATE_OS_BD_T))
770 ret = boot_fn(BOOTM_STATE_OS_BD_T, argc, argv, images);
771 if (!ret && (states & BOOTM_STATE_OS_PREP)) {
772 ret = bootm_process_cmdline_env(images->os.os == IH_OS_LINUX);
774 printf("Cmdline setup failed (err=%d)\n", ret);
775 ret = CMD_RET_FAILURE;
778 ret = boot_fn(BOOTM_STATE_OS_PREP, argc, argv, images);
782 /* Pretend to run the OS, then run a user command */
783 if (!ret && (states & BOOTM_STATE_OS_FAKE_GO)) {
784 char *cmd_list = env_get("fakegocmd");
786 ret = boot_selected_os(argc, argv, BOOTM_STATE_OS_FAKE_GO,
788 if (!ret && cmd_list)
789 ret = run_command_list(cmd_list, -1, flag);
793 /* Check for unsupported subcommand. */
795 puts("subcommand not supported\n");
799 /* Now run the OS! We hope this doesn't return */
800 if (!ret && (states & BOOTM_STATE_OS_GO))
801 ret = boot_selected_os(argc, argv, BOOTM_STATE_OS_GO,
804 /* Deal with any fallout */
809 if (ret == BOOTM_ERR_UNIMPLEMENTED)
810 bootstage_error(BOOTSTAGE_ID_DECOMP_UNIMPL);
811 else if (ret == BOOTM_ERR_RESET)
812 do_reset(cmdtp, flag, argc, argv);
817 #if CONFIG_IS_ENABLED(LEGACY_IMAGE_FORMAT)
819 * image_get_kernel - verify legacy format kernel image
820 * @img_addr: in RAM address of the legacy format image to be verified
821 * @verify: data CRC verification flag
823 * image_get_kernel() verifies legacy image integrity and returns pointer to
824 * legacy image header if image verification was completed successfully.
827 * pointer to a legacy image header if valid image was found
828 * otherwise return NULL
830 static image_header_t *image_get_kernel(ulong img_addr, int verify)
832 image_header_t *hdr = (image_header_t *)img_addr;
834 if (!image_check_magic(hdr)) {
835 puts("Bad Magic Number\n");
836 bootstage_error(BOOTSTAGE_ID_CHECK_MAGIC);
839 bootstage_mark(BOOTSTAGE_ID_CHECK_HEADER);
841 if (!image_check_hcrc(hdr)) {
842 puts("Bad Header Checksum\n");
843 bootstage_error(BOOTSTAGE_ID_CHECK_HEADER);
847 bootstage_mark(BOOTSTAGE_ID_CHECK_CHECKSUM);
848 image_print_contents(hdr);
851 puts(" Verifying Checksum ... ");
852 if (!image_check_dcrc(hdr)) {
853 printf("Bad Data CRC\n");
854 bootstage_error(BOOTSTAGE_ID_CHECK_CHECKSUM);
859 bootstage_mark(BOOTSTAGE_ID_CHECK_ARCH);
861 if (!image_check_target_arch(hdr)) {
862 printf("Unsupported Architecture 0x%x\n", image_get_arch(hdr));
863 bootstage_error(BOOTSTAGE_ID_CHECK_ARCH);
871 * boot_get_kernel - find kernel image
872 * @os_data: pointer to a ulong variable, will hold os data start address
873 * @os_len: pointer to a ulong variable, will hold os data length
875 * boot_get_kernel() tries to find a kernel image, verifies its integrity
876 * and locates kernel data.
879 * pointer to image header if valid image was found, plus kernel start
880 * address and length, otherwise NULL
882 static const void *boot_get_kernel(struct cmd_tbl *cmdtp, int flag, int argc,
883 char *const argv[], bootm_headers_t *images,
884 ulong *os_data, ulong *os_len)
886 #if CONFIG_IS_ENABLED(LEGACY_IMAGE_FORMAT)
891 const char *fit_uname_config = NULL;
892 const char *fit_uname_kernel = NULL;
893 #if CONFIG_IS_ENABLED(FIT)
897 img_addr = genimg_get_kernel_addr_fit(argc < 1 ? NULL : argv[0],
901 if (CONFIG_IS_ENABLED(CMD_BOOTM_PRE_LOAD))
902 img_addr += image_load_offset;
904 bootstage_mark(BOOTSTAGE_ID_CHECK_MAGIC);
906 /* check image type, for FIT images get FIT kernel node */
907 *os_data = *os_len = 0;
908 buf = map_sysmem(img_addr, 0);
909 switch (genimg_get_format(buf)) {
910 #if CONFIG_IS_ENABLED(LEGACY_IMAGE_FORMAT)
911 case IMAGE_FORMAT_LEGACY:
912 printf("## Booting kernel from Legacy Image at %08lx ...\n",
914 hdr = image_get_kernel(img_addr, images->verify);
917 bootstage_mark(BOOTSTAGE_ID_CHECK_IMAGETYPE);
919 /* get os_data and os_len */
920 switch (image_get_type(hdr)) {
922 case IH_TYPE_KERNEL_NOLOAD:
923 *os_data = image_get_data(hdr);
924 *os_len = image_get_data_size(hdr);
927 image_multi_getimg(hdr, 0, os_data, os_len);
929 case IH_TYPE_STANDALONE:
930 *os_data = image_get_data(hdr);
931 *os_len = image_get_data_size(hdr);
934 printf("Wrong Image Type for %s command\n",
936 bootstage_error(BOOTSTAGE_ID_CHECK_IMAGETYPE);
941 * copy image header to allow for image overwrites during
942 * kernel decompression.
944 memmove(&images->legacy_hdr_os_copy, hdr,
945 sizeof(image_header_t));
947 /* save pointer to image header */
948 images->legacy_hdr_os = hdr;
950 images->legacy_hdr_valid = 1;
951 bootstage_mark(BOOTSTAGE_ID_DECOMP_IMAGE);
954 #if CONFIG_IS_ENABLED(FIT)
955 case IMAGE_FORMAT_FIT:
956 os_noffset = fit_image_load(images, img_addr,
957 &fit_uname_kernel, &fit_uname_config,
958 IH_ARCH_DEFAULT, IH_TYPE_KERNEL,
959 BOOTSTAGE_ID_FIT_KERNEL_START,
960 FIT_LOAD_IGNORED, os_data, os_len);
964 images->fit_hdr_os = map_sysmem(img_addr, 0);
965 images->fit_uname_os = fit_uname_kernel;
966 images->fit_uname_cfg = fit_uname_config;
967 images->fit_noffset_os = os_noffset;
970 #ifdef CONFIG_ANDROID_BOOT_IMAGE
971 case IMAGE_FORMAT_ANDROID:
972 printf("## Booting Android Image at 0x%08lx ...\n", img_addr);
973 if (android_image_get_kernel(buf, images->verify,
979 printf("Wrong Image Format for %s command\n", cmdtp->name);
980 bootstage_error(BOOTSTAGE_ID_FIT_KERNEL_INFO);
984 debug(" kernel data at 0x%08lx, len = 0x%08lx (%ld)\n",
985 *os_data, *os_len, *os_len);
991 * switch_to_non_secure_mode() - switch to non-secure mode
993 * This routine is overridden by architectures requiring this feature.
995 void __weak switch_to_non_secure_mode(void)
999 #else /* USE_HOSTCC */
1001 #if defined(CONFIG_FIT_SIGNATURE)
1002 static int bootm_host_load_image(const void *fit, int req_image_type,
1005 const char *fit_uname_config = NULL;
1007 bootm_headers_t images;
1015 fit_uname_config = fdt_get_name(fit, cfg_noffset, NULL);
1016 memset(&images, '\0', sizeof(images));
1018 noffset = fit_image_load(&images, (ulong)fit,
1019 NULL, &fit_uname_config,
1020 IH_ARCH_DEFAULT, req_image_type, -1,
1021 FIT_LOAD_IGNORED, &data, &len);
1024 if (fit_image_get_type(fit, noffset, &image_type)) {
1025 puts("Can't get image type!\n");
1029 if (fit_image_get_comp(fit, noffset, &imape_comp)) {
1030 puts("Can't get image compression!\n");
1034 /* Allow the image to expand by a factor of 4, should be safe */
1035 load_buf = malloc((1 << 20) + len * 4);
1036 ret = image_decomp(imape_comp, 0, data, image_type, load_buf,
1037 (void *)data, len, CONFIG_SYS_BOOTM_LEN,
1042 ret = handle_decomp_error(imape_comp, load_end - 0, ret);
1043 if (ret != BOOTM_ERR_UNIMPLEMENTED)
1050 int bootm_host_load_images(const void *fit, int cfg_noffset)
1052 static uint8_t image_types[] = {
1060 for (i = 0; i < ARRAY_SIZE(image_types); i++) {
1063 ret = bootm_host_load_image(fit, image_types[i], cfg_noffset);
1064 if (!err && ret && ret != -ENOENT)
1068 /* Return the first error we found */
1073 #endif /* ndef USE_HOSTCC */